Core4ce
Cybersecurity Lead ISSO
984-383
Core4ce seeks a Cybersecurity Lead ISSO to serve as the senior Information System Security Officer, responsible for ensuring cybersecurity compliance, documentation, and continuous monitoring of one of DHA’s largest on-premises, hybrid, and commercial cloud platforms. This role is accountable for ensuring continuous compliance with DoD, DHA, and NIST RMF requirements while collaborating across engineering, operations, and cybersecurity teams. The Lead ISSO will guide the program through accreditation and sustainment, manage enterprise security documentation, and oversee implementation of technical controls across environments hosted in on-prem datacenters, AWS, Azure, Oracle Cloud, and hybrid solutions.
Responsibilities
- Lead all ISSO duties ensuring systems meet RMF and DHA cybersecurity standards throughout the lifecycle.
- Develop, review, and maintain all security documentation (SSPs, POA&Ms, SARs, SOPs, Incident Response Plans, and eMASS records).
- Support continuous monitoring by overseeing vulnerability management, patch compliance, and remediation activities across on-prem and cloud platforms.
- Coordinate with platform, storage, database, and application teams to validate technical security controls and ensure defense-in-depth.
- Act as primary interface with Government Authorizing Officials (AOs), Security Control Assessors (SCAs), and auditors during inspections, assessments, and ATO reviews.
- Track, report, and brief leadership on security posture, vulnerabilities, and compliance status using enterprise dashboards and reports.
- Ensure that security tools and processes are fully integrated into daily operations and CI/CD pipelines.
- Mentor and oversee junior cybersecurity engineers and analysts supporting ISSO functions.
Required Qualifications
- Active DoD Secret clearance (or ability to obtain and maintain).
- 10+ years of professional cybersecurity experience, with 5+ years as an ISSO or cybersecurity lead supporting DoD or Federal programs.
- Deep knowledge of RMF, DoDI 8510.01, NIST 800-53, STIGs, and DISA SRGs.
- Hands-on experience with eMASS and managing cybersecurity artifacts across complex system boundaries.
- Strong understanding of cloud security architecture for AWS GovCloud, Microsoft Azure Government, and Oracle Cloud.
- Proven ability to lead accreditation/ATO efforts for large, complex hybrid platforms.
- Strong leadership, communication, and briefing skills, including experience presenting to senior Government officials.
- IAT Level II certifications and at least one relevant industry certification, such as AWS Certified Cloud Practitioner.
Preferred Qualifications
- Experience implementing security into DevSecOps pipelines and automated compliance scanning.
- Familiarity with DHA systems, healthcare IT requirements, and HIPAA compliance.
- Background in ITIL incident/problem/change management practices.
Why Work for Us?
Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance warfighting outcomes.
We offer:
- 401(k) with 100% company match on the first 6% deferred, with immediate vesting
- Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
- Unlimited access to training and certifications, with no pre-set cap on eligible professional development
- Tuition assistance for job-related degrees and courses
- Paid parental leave, PTO that grows with tenure, and generous holiday schedules
- Got a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.
Join us to build a career that matters—supported by a company that invests in you.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.
Remote, United States
Full-Time/Regular
All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.
Equal employment opportunity, including veterans and individuals with disabilities.
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